Knock Sensor (KS)
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The KS:
- is located in the intake valley of the cylinder block.
- sends a signal to the PCM indicating engine detonation.